Minimal flavour violation and beyond | Zendy

Thorsten Feldmann | Zendy; Thomas Mannel | Zendy

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Minimal flavour violation and beyond

Author(s) -

Thorsten Feldmann,

Thomas Mannel

Publication year - 2007

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2007/02/067

Subject(s) - flavour , particle physics , physics , quark , hierarchy , cp violation , standard model (mathematical formulation) , set (abstract data type) , physics beyond the standard model , theoretical physics , mathematics , computer science , archaeology , gauge (firearms) , economics , market economy , history , programming language

Starting from the effective-theory framework for Minimal Flavour Violation,we give a systematic definition of next-to-minimal (quark) flavour violation interms of a set of spurion fields exhibiting a particular hierarchy with respectto a small (Wolfenstein-like) parameter. A few illustrative examples and theirconsequences for charged and neutral decays with different quark chiralitiesare worked out in some detail. Our framework can be used as a model-independentclassification scheme for the parameterization of flavour structure fromphysics beyond the Standard Model.Comment: 17 pages, no figures, phenomenological discussion extended, references adde

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